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What to do if there is no sound from the projector’s speakers when connected the PC/laptop to projector?

Please refer to this FAQ:   What to do if there is no sound from the monitor’s speakers when connected with PC/laptop?

How do I connect external speaker(s) to my projector?

1.Wired connection:   1.1 via 3.5mm audio out:       If the projector is equipped with a 3.5 mm audio out mini jack, usually it is  green and marked as          Audio Out. Please connect a 3.5 mm audio cable between speaker and projector for audio output        purpose.     1.2 via S/PDIF:        If the model is equipped with S/PDIF por...

Purchased replacement parts

Parts can be purchased from our parts store. Go to https://www.viewsonic.com/parts/

The AC adapter for the projector does not work

Verify adapter plugged into a wall outlet Make sure the AC adapter is firmly and securely plugged into the wall outlet.  Although it may sound obvious, the adapter can become loose without even knowing.  If it's not plugged in all the way, it can make it seem like the adapter is not working, but it may just not be getting power from the wall...

The image is out of focus

Make sure that you have set it to its native resolution. Check the user guide to determine what the native resolution of the display is and set it to the native resolution if  the video source that is being used can support it. Digital signals (HDMI, DisplayPort) normally produce sharper images. If you are using a VGA or analog signal try to s...

How to change the projector lamp in a projector?

The methods for changing the projector lamp (bulb) differ depending on the model of the projector. For accurate instructions, you can find lamp swapping instruction at ViewSonic product download page.   <Note> It is recommended that you use an authentic ViewSonic replacement lamp.  

Why are certain options greyed out in OSD menu?

When a digital signal is connected (e.g. HDMI, DisplayPort, DVI), there are certain options greyed out in OSD menu as preset settings that cannot be changed. Those greyed out settings will be available when an analog signal (e.g. VGA) is connected.

What to do if remote control does not work properly?

  Please do the following check: Make sure there are no obstructions in the way of the IR receiver on the device. Move closer to the receiver (within 23 feet) or change the angle (within 30 degrees) to the receiver. Replace the batteries. Even if lights on the remote control are on, weak batteries may still cause the remote control to oper...

How to do when my screen doesn’t display native resolution after Windows 10 update?

Windows update may cause some issues with screen resolution setting being lost, Please follow below steps to change the resolution of the screen and check: Type Change screen resolution in the Search box from the desktop  and click   Change screen resolution of the display.   Under Display Resolution select Recommended resolution. A wi...

How to Upgrade the M1+ Firmware?

  <Notice> The firmware of M1+ will not be used on M1+_G2/_V or M1+ -2.   1. Go to “Downloads” -> ”Driver & Software” by searching M1+ from ViewSonic website to download “M1+ Firmware Update v2.03”.      2. Unzip the downloaded files and copy the Firmware files, “MstarUpgrade.bin" and "M1+WW.bin” to a FAT32 formatted USB drive.  3. Po...

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